Location
Central London (Office Based)

Hours
Full-Time

Salary
£50,000 - £55,000 per annum

About the Role
We are partnering with a well-established organisation to strengthen its technology function by adding an Infrastructure & Security Engineer. This permanent role offers the opportunity to take ownership across infrastructure, cloud, networking, and security, supporting a modern multi-site environment spanning head office, operational locations, and customer-facing technology platforms. You will work closely with both technical and non-technical stakeholders, contributing to the delivery of secure, resilient, and scalable infrastructure solutions that underpin critical business operations.

Key responsibilities include providing 2nd and 3rd line support across infrastructure and security technologies, maintaining and optimising Microsoft environments such as Azure, Microsoft 365, Entra ID, Intune, Windows Server, and Active Directory, and supporting virtualised infrastructure using VMware technologies. You will manage and improve network infrastructure including switching, routing, wireless, and firewall technologies, lead vulnerability management and security remediation initiatives, and support identity and access management, endpoint security, and threat protection activities.

Additional duties involve contributing to disaster recovery planning and business continuity initiatives, collaborating with internal teams and third-party suppliers to deliver infrastructure improvements and security enhancements, supporting and securing end-user technologies across corporate, retail, and operational environments, and creating and maintaining technical documentation, standards, and operational procedures. You will also support ongoing infrastructure modernisation and continuous improvement projects.

This role provides exposure to modern cloud, infrastructure, and security technologies within a fast-paced, customer-focused environment where technology plays a critical role in day-to-day operations. It offers ongoing learning and professional development opportunities within a supportive and collaborative team, with clear opportunities for career progression and the chance to influence technical direction and infrastructure strategy.

Experience
- Proven experience in roles such as Infrastructure Engineer, Infrastructure Analyst, Systems Engineer, or similar.
- Strong Microsoft infrastructure skills including Windows Server, Active Directory, Microsoft 365, Azure, Entra ID, and Intune.
- Experience supporting virtualised environments using VMware technologies.
- Good understanding of networking principles including TCP/IP, switching, routing, wireless networking, and firewalls.
- Experience with vulnerability management, endpoint security, and patch management.
- Knowledge of identity and access management including MFA and role-based access controls.
- Experience supporting backup, disaster recovery, and business continuity processes.
- Strong troubleshooting, analytical, and problem-solving skills.
- Ability to communicate effectively with both technical and business stakeholders.

About You
- Proactive and motivated with a strong commitment to delivering secure and resilient infrastructure.
- Comfortable working in a fast-paced, customer-focused environment.
- Collaborative team player with the ability to work with internal teams and third-party suppliers.
- Keen to develop professionally and influence technical direction and infrastructure strategy.

Desirable Experience
- Exposure to Microsoft Defender, Sentinel, or other security tooling.
- Experience working within PCI-DSS, NIST, ISO 27001, or similar compliance frameworks.
- PowerShell scripting experience.
- Experience with Cisco networking technologies and Meraki environments.
- Experience supporting retail, hospitality, leisure, or other customer-facing multi-site environments.
- Knowledge of Zero Trust security principles.
- Experience with monitoring platforms such as SolarWinds, PRTG, or similar.
- Microsoft, Azure, or Cisco certifications.
- Exposure to automation tools such as Azure CLI or Terraform.